chengji=[];
count=1;
while count<6:
	print('请输入第',count,end='');
	chengji.append(float(input('个成绩：')));
	count=count+1;

sum=0;
max=min=chengji[0];
for feng in chengji:
	sum=sum+feng;
	if max<feng:max=feng;
	if min>feng:min=feng;
print('平均分：',sum/5);
print('最高分：',max);
print('最低分：',min);

